Singh et al. (2014)
Also: Singh et al. 2014
Severe Precipitation in Northern India in June 2013: Causes, historical context, and changes in probability
Singh, D., Horton, D. E., Tsiang, M., Haugen, M., Ashfaq, M., Mei, R., ... & Diffenbaugh, N. S. (2014). Severe Precipitation in Northern India in June 2013: Causes, historical context, and changes in probability. Bulletin of the American Meteorological Society, 95(9), S58-S61. Link to PDF
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.